Home / 1,124,564.70-1,686,934.53-325,857.72

Finding the Fourth Proportional to 1,124,564.70, 1,686,934.53 and 325,857.72

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Solution

The fourth proportional to 1,124,564.70, 1,686,934.53 and 325,857.72 is: 488,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,564.70 : 1,686,934.53 = 325,857.72 : x
  2. Step 2: Convert to fraction form
    1,124,564.70/1,686,934.53 = 325,857.72/x
  3. Step 3: Cross multiply
    1,124,564.70x = 1,686,934.53 × 325,857.72
  4. Step 4: Simplify right side
    1,124,564.70x = 549,700,639,735.07
  5. Step 5: Solve for x
    x = 549,700,639,735.07/1,124,564.70
  6. Step 6: Final answer
    x = 488,811.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.